87 citations · 177 across the 19 of their papers we have counts for
19 papers
Achieving 100MHz Instantaneous Bandwidth in a Broadband Rydberg Microwave Sensor
Yuhan Yan, Jinyin Wan, Xuejie Li +6
Rydberg atoms have attracted considerable attention in recent years as a novel platform for microwave sensing, owing to their unique physical merits: large transition dipole moment…
Broadband Rydberg Atomic Microwave Sensing with 44.6MHz Instantaneous Bandwidth
Yuhan Yan, Xuejie Li, Jinyin Wan +6
Rydberg atoms have become a promising novel type of microwave sensor due to their excellent physical properties -- broad frequency coverage and large electric dipole moments. High…
Superconducting Decoherence and Thermal Quenching of the Josephson Diode Effect in Low-Dimensional Josephson Systems
F. Yang, C. Y. Dong, Joshua A. Robinson +1
Motivated by recent studies on superconducting (SC) diode nonreciprocity, we uncover a generic smooth SC-phase decoherence mechanism in low-dimensional Josephson structures. Contra…
Multi-Dressed-State Engineered Rydberg Electrometry
Yuhan Yan, Bowen Yang, Xuejie Li +5
Rydberg atoms, with their giant transition electric dipole moments and abundant energy-level transitions, offer exceptional potential for microwave (MW) electric field sensing, com…
Microscopic phase-transition theory of charge density waves: revealing hidden crossovers of phason and amplitudon
F. Yang, L. Q. Chen
We develop a self-consistent phase-transition theory of charge density waves (CDWs), starting from a purely microscopic model. Specifically, we derive a microscopic CDW gap equatio…
Role of Ferrons in the Heat Capacity and Thermal Transport of Displacive Ferroelectrics
G. D. Zhao, F. Yang, L. Q. Chen
The collective amplitude mode of the order parameter in displacive ferroelectrics, termed the ferron, represents the amplitude fluctuations of long-range ordered polarization. At t…
Hidden domain boundary dynamics towards crystalline perfection
A. Mangu, V. A. Stoica, H. Zheng +19
A central paradigm of non-equilibrium physics concerns the dynamics of heterogeneity and disorder, impacting processes ranging from the behavior of glasses to the emergent function…
High-Sensitive Microwave Electrometry with Enhanced Instantaneous Bandwidth
Bowen Yang, Yuhan Yan, Xuejie Li +5
Rydberg microwave (MW) sensors are superior to conventional antenna-based techniques because of their wide operating frequency range and outstanding potential sensitivity. Here, we…
The effect of Quantum Statistics on the sensitivity in an SU(1,1) interferometer
Jie Zeng, Yingxing Ding, Mengyao Zhou +5
We theoretically study the effect of quantum statistics of the light field on the quantum enhancement of parameter estimation based on cat state input the SU(1,1) interferometer. T…
Ultimate precision limit of SU(2) and SU(1,1) interferometers in noisy metrology
Jie Zeng, Dong Li, L. Q. Chen +2
The quantum Fisher information (QFI) in SU(2) and SU(1,1) interferometers was considered, and the QFI-only calculation was overestimated. In general, the phase estimation as a two-…
Ferroelectric Polycrystals: Structural and microstructural levers for property engineering via domain-wall dynamics
J. Schultheiß, G. Picht, J. Wang +4
Ferroelectrics have a spontaneous electrical polarization that is arranged into domains and can be reversed by an externally applied field. This high versatility makes them useful…
Microscopic piezoelectric behavior of clamped and membrane (001) PMN-30PT thin films
A. Brewer, S. Lindemann, B. Wang +13
Bulk single-crystal relaxor-ferroelectrics, like Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT), are widely known for their large piezoelectricity. This is attributed to polarization rotation wh…
In-plane quasi-single-domain BaTiO via interfacial symmetry engineering
J. W. Lee, K. Eom, T. R. Paudel +18
The control of the in-plane domain evolution in ferroelectric thin films is not only critical to understanding ferroelectric phenomena but also to enabling functional device fabric…
A novel two-mode squeezed light based on double-pump phase-matching
Xuan-Jian He, Jun Jia, Gao-Feng Jiao +3
A novel two-mode non-degenerate squeezed light is generated based on a four-wave mixing (4WM) process driven by two pump fields crossing at a small angle. By exchanging the roles o…
SU(1,1)-type light-atom correlated interferometer
Hongmei Ma, Dong Li, Chun-Hua Yuan +3
The quantum correlation of light and atomic collective excitation can be used to compose an SU(1,1)-type hybrid light-atom interferometer, where one arm in optical SU(1,1) interfer…
Correlation enhanced phase sensitive Raman scattering in atomic vapors
Chun-Hua Yuan, L. Q. Chen, Z. Y. Ou +1
We theoretically propose a method to enhance Raman scattering by injecting a seeded light field which is correlated with the initially prepared atomic spin wave. Such a light-atom…
Generation of frequency multiplexed entangled single photons assisted by the entanglement
Chun-Hua Yuan, L. Q. Chen, Z. Y. Ou +1
We present a scheme to generate the frequency multiplexed entangled (FME) single photons based on the entanglement between two species atomic mixture ensemble. The write and reads…
Coherently enhanced Raman scattering in atomic vapor
Chun-Hua Yuan, L. Q. Chen, Jietai Jing +2
We present a scheme to obtain the coherently enhanced Raman scattering in atomic vapor which is induced by a spin wave initially written by a weak write laser. The enhancement of R…
A Finite-temperature First-principles Approach to Spin Fluctuation in BaFe_2As_2
Y. Wang, S. L. Shang, L. Q. Chen +1
Thermodynamic flunctuations in BaFe2As2 is addressed with a first-principles formulation of the Helmholtz energy by accounting for the mixture of various electronic states each dis…